From ecac2ca7d452073dd743274ea736344e15212991 Mon Sep 17 00:00:00 2001
From: Daniel Rose <droseger@protonmail.com>
Date: Fri, 6 Jul 2018 15:12:55 +0200
Subject: [PATCH] [min_max] tests for parent(), left_child(), right_child()

---
 src/datastructures/min_max.rs | 30 +++++++++++++++++++++++++-----
 1 file changed, 25 insertions(+), 5 deletions(-)

diff --git a/src/datastructures/min_max.rs b/src/datastructures/min_max.rs
index 70336b6..0cba460 100644
--- a/src/datastructures/min_max.rs
+++ b/src/datastructures/min_max.rs
@@ -530,27 +530,47 @@ mod tests {
     }
 
     #[test]
-    //    #[ignore]
     fn test_rank_1() {
-        let bits1 = bit_vec![
+        let bits = bit_vec![
             true, true, true, false, true, false, true, true, false, false, false, true, false,
             true, true, true, false, true, false, false, false, false
         ];
-        let min_max = MinMax::new(bits1, 4);
+        let min_max = MinMax::new(bits, 4);
         assert_eq!(min_max.rank_1(11).unwrap(), 7);
         assert_eq!(min_max.rank_1(21).unwrap(), 11);
     }
 
     #[test]
     fn test_rank_0() {
-        let bits1 = bit_vec![
+        let bits = bit_vec![
             true, true, true, false, true, false, true, true, false, false, false, true, false,
             true, true, true, false, true, false, false, false, false
         ];
-        let min_max = MinMax::new(bits1, 4);
+        let min_max = MinMax::new(bits, 4);
         assert_eq!(min_max.rank_0(12).unwrap(), 6);
         assert_eq!(min_max.rank_0(17).unwrap(), 7);
         assert_eq!(min_max.rank_0(21).unwrap(), 11);
     }
 
+    #[test]
+    fn test_parent() {
+        let bits = bit_vec![true, true, false, false];
+        let min_max = MinMax::new(bits, 4);
+        assert_eq!(min_max.parent(2), 0);
+    }
+
+    #[test]
+    fn test_left_child() {
+        let bits = bit_vec![true, true, false, false];
+        let min_max = MinMax::new(bits, 4);
+        assert_eq!(min_max.left_child(0), 1);
+    }
+
+    #[test]
+    fn test_right_child() {
+        let bits = bit_vec![true, true, false, false];
+        let min_max = MinMax::new(bits, 4);
+        assert_eq!(min_max.right_child(0), 2);
+    }
+
 }
-- 
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